prevent ```Undefined variable: captchaObjectType```

If you disable the captcha, you get when creating a commentary the error message: Undefined variable: captchaObjectType on line 610 and 614. This pull request fixes the bug.

diff --git a/wcfsetup/install/files/lib/data/comment/CommentAction.class.php b/wcfsetup/install/files/lib/data/comment/CommentAction.class.php
index b6024ec316361f35098390676379377b3e02e848..9f36418847edda4879142817c4ca9a0484429de9 100644 (file)
--- a/wcfsetup/install/files/lib/data/comment/CommentAction.class.php
+++ b/wcfsetup/install/files/lib/data/comment/CommentAction.class.php
@@ -595,6 +595,8 @@ class CommentAction extends AbstractDatabaseObjectAction {
         * @return      array
         */
        public function getGuestDialog() {
+               $captchaObjectType = null; 
+               
                if (CAPTCHA_TYPE) {
                        $captchaObjectType = CaptchaHandler::getInstance()->getObjectTypeByName(CAPTCHA_TYPE);
                        if ($captchaObjectType === null) {